force tails users to run as root (#42)

onionshare/onionshare.py

@@ -64,6 +64,9 @@ def get_platform():
         p = 'Tails'
     return p
 
+def is_root():
+    return os.geteuid() == 0
+
 def get_hidden_service_dir(port):
     if get_platform() == "Windows":
         if 'Temp' in os.environ:
@@ -154,6 +157,11 @@ def start_hidden_service(port):
 def main():
     load_strings()
 
+    # check for root in Tails
+    if get_platform() == 'Tails' and not is_root():
+        sys.exit(strings["tails_requires_root"])
+
+    # parse arguments
     parser = argparse.ArgumentParser()
     parser.add_argument('--local-only', action='store_true', dest='local_only', help='Do not attempt to use tor: for development only')
     parser.add_argument('filename', nargs=1)

onionshare/strings.json

@@ -13,7 +13,8 @@
     "download_page_loaded": "Download page loaded",
     "download_started": "Download started",
     "download_finished": "Download finished",
-    "other_page_loaded": "Other page has been loaded"
+    "other_page_loaded": "Other page has been loaded",
+    "tails_requires_root": "You must run OnionShare as root in Tails"
 }, "no": {
     "punching_a_hole": "Åpner port i brannmuren.",
     "closing_hole": "Lukker port i brannmuren.",